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spe-12-8- 155/c / ez page 1 of 21 specification g21.w white hercules gen ii penta band cellular antenna part no. : g21. b. w. 301111 product name : g21 .w hercules gen.ii penta band cellular antenna screw - mount (permanent mount) - white version gsm /gprs/cdma/evdo/umts/hspa/ wcdma 850/900/1800/1900/2100 mhz feature s : ? low profile - height 29mm and diameter 49 mm ? heavy duty screw mount ? uv and vandal resistant white abs housing ? ip67 & ip69k C no ingress of dust and no water ingress permitted from powerful pressure jets in all dire ctions and no performance degradation ? standard is 3m cable rg174 sma(m) - customizable ? rohs compliant
spe-12-8- 155/c / ez page 2 of 21 1. introduction th e g21 .w (generation ii) hercules is a high performance steel thread-mount penta- band cellular antenna for external use on vehicles and outdoor assets worldwide. omni- directional high gain across all bands ensures constant reception and transmission. durable uv resistant abs housing is resistant to vandalism and direct attack. at only 29 mm height it complies with the latest eu height restrictions directives for roof-mounted objects, with a diameter of 49 mm. designed to not catch on tree-branches. this antenna can be mounted on metal structures. 2. specification electrical cellular standard amps gsm dcs pcs 3g band (mhz) 850 900 1800 1900 2100 frequency (mhz) 824 - 896 880 - 960 1710 - 1880 1850 - 1990 1920 C 2170 return loss (db) cable length (meter) 0.3 - 6.0 - 5.2 - 6.1 - 6.2 - 5.8 1.0 - 7.8 - 8.7 - 11.4 - 15.3 - 13.7 2.0 - 8.1 - 9.3 - 16.5 - 2 0 .3 - 19.5 3.0 - 11.0 - 12.4 - 1 7.5 - 18.3 - 18.1 5.0 - 11.8 - 13.6 - 17.6 - 1 7 .8 - 17.8 efficiency (%) cable length (meter) 0.3 51.1 41.4 38.0 46.5 32.3 1.0 29.4 40.2 42.2 43.4 29.9 2.0 24.3 27.5 28.4 20.2 19.6 3.0 24.6 27.6 22.0 17.8 15.0 5.0 17.1 16.4 15.7 15.0 12.0 gain (d bi) cable length (meter) 0.3 1.8 0.8 1.3 3.9 1.5 1.0 1.0 2.2 0.6 1.6 - 0.3 2.0 0.9 1.8 0.2 - 0.7 - 1.1 3.0 0.8 0.9 - 1.0 - 1.1 - 2.2 5.0 - 1.0 - 0.5 - 4.5 - 4.2 - 4.3 polarization linear impedance 50 ohms max input power 10 watts vswr <3.5 :1 *note: the return loss, efficiency and gain in the above table, were measure d on 30x30 cm metal plate with rg174 cable. for a specific case performance refers to the below plots.
spe-12-8- 155/c / ez page 3 of 21 mec hanical dimensions height = 29 mm and diameter = 49 mm cable 3m rg 174 C fully customizable connector sma - m ale C fully customizable casing white uv resistant abs base and thread nickel plated steel thread diameter 18 mm weather proof gasket cr4305 f oam with 3m9448b double - side adhesive sealant rubber stopper environmental protection ip6 7 & ip69k corrosion 5% nacl for 96hrs - nickel plated steel base and thread temperature range - 40c to +85c thermal shock 100 cycles - 40c to +85c humidity non - conden sing 65c 95% rh shock (drop test) 1m drop on concrete 6 axes cable pull 8 kgf recommended mounting torque 95nm maximum mounting torque 135nm *note: specifications may be subject to change
spe-12-8- 155/c / ez page 4 of 21 3. test set up y x z figure 1. g21 antenna test set up in free space, 30x30 cm metal plate and 60x60 cm metal plate, r&szvl6 vna (left) and r&s4100 ctia 3d chamber (right).
spe-12-8- 155/c / ez page 5 of 21 4. antenna parameters 4.1 return loss figure 2 . return loss of g21 hercules antenna in free space figure 3 . return loss of g21 hercules antenna on 30 cm metal plate.
spe-12-8- 155/c / ez page 6 of 21 figure 4 . return loss of g21 hercules antenna on 60 cm metal plate.
spe-12-8- 155/c / ez page 7 of 21 4.2 efficiency figure 5 . efficiency of g21 hercules antenna in free space figure 6 . efficiency of g21 hercules antenna on 30 cm metal plate.
spe-12-8- 155/c / ez page 8 of 21 figure 7 . efficiency of g21 hercules antenna on 60 cm metal plate.
spe-12-8- 155/c / ez page 9 of 21 4.3 gain figure 8 . gain of g21 hercules antenna in free space. figure 9 . gain of g21 hercules antenna on 30 cm metal plate.
spe-12-8- 155/c /ez page 10 of 21 figure 10 . gain of g21 hercules antenna on 60 cm metal plate.
spe-12-8- 155/c /ez page 11 of 21 5. radiation pattern 5.1 radiation patterns (free space) figure 11. radiation pattern at 849 mhz, figure 1 as reference (db), with 2 m rg174 cable and free space
spe-12-8- 155/c /ez page 12 of 21 figure 12. radiation pattern at 915 mhz, figure 1 as reference (db), with 2 m rg174 cable and free space. figure 13. radiation pattern at 1805 mhz, figure 1 as reference (db), with 2 m rg174 cable and free space.
spe-12-8- 155/c /ez page 13 of 21 figure 14. radiation pattern at 1910 mhz, figure 1 as reference (db), with 2 m rg174 cable and free space. figure 15. radiation pattern at 2110 mhz, figure 1 as reference (db), with 2 m rg174 cable and free space.
spe-12-8- 155/c /ez page 14 of 21 5.2 radiation patterns (300*300mm ground plane) figure 16. radiation pattern at 849 mhz, figure 1 as reference (db), with 2 m rg174 cable and 30x30 cm metal plate. figure 17. radiation pattern at 915 mhz, figure 1 as reference (db), with 2 m rg174 cable and 30x30 cm metal plate.
spe-12-8- 155/c /ez page 15 of 21 figure 18. radiation pattern at 1805 mhz, figure 1 as reference (db), with 2 m rg174 cable and 30x30 cm metal plate. figure 19. radiation pattern at 1910 mhz, figure 1 as reference (db), with 2 m rg174 cable and 30x30 cm metal plate.
spe-12-8- 155/c /ez page 16 of 21 figure 20. radiation pattern at 2110 mhz, figure 1 as reference (db), with 2 m rg174 cable and 30x30 cm metal plate. 5.3 radiation patterns (600*600mm ground plane) figure 21. radiation pattern at 849 mhz, figure 1 as reference (db), with 2 m rg174 cable and 60x60 cm metal plate.
spe-12-8- 155/c /ez page 17 of 21 figure 22. radiation pattern at 915 mhz, figure 1 as reference (db), with 2 m rg174 cable and 60x60 cm metal plate. figure 23. radiation pattern at 1805 mhz, figure 1 as reference (db), with 2 m rg174 cable and 60x60 cm metal plate.
spe-12-8- 155/c /ez page 18 of 21 figure 24. radiation pattern at 1910 mhz, figure 1 as reference (db), with 2 m rg174 cable and 60x60 cm metal plate. figure 25. radiation pattern at 2110 mhz, figure 1 as reference (db), with 2 m rg174 cable and 60x60 cm metal plate.
spe-12-8- 155/c /ez page 19 of 21 6. mechanical drawings
spe-12-8- 155/c /ez page 20 of 21 7. installation
spe-12-8- 155/c /ez page 21 of 21 8. packaging

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